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delay cap
eng.geol. 延发雷管
oil 延时雷管
tech. 缓爆雷管; 迟发雷管; 迟爆雷管
delay blasting cap
expl. 延时雷管
delay cap: 33 phrases in 5 subjects
Electronics1
Explosives and Explosive Ordnance Disposal9
Hydroelectric power stations1
Oil / petroleum1
Technology21